Pump.



R. CONRADER.

PUMP.

APPLICATION FILED MAR. 30, 1914.

@vih/Lawa@ 73. m uw a 6, www

i. tough tho tmp ooi by of tho poro'ations 2l 'Fao the. main Shogun o lqu passing upwm'dy through the piam @n the. 'irotm'n strike, them is a, slga'z flow in ho opposite direction. This ow of liquid 'hroug'gh the perforations 2l :m ihrough @he sand tmp keeps ho lower sand trap at afi?. "Limos door of accumulations o sand amd ille result of does@ traps is to koop those. surfaces in Contact with the oups ou, all 'nimos of sand from above.

" er to lift tho onli 18 on h@ dowloolzo o? tho pump, consdombo exis 'eqiod, boow vilo phm is :above by 1'@ 'son of oz-zposfd mails of ibo the excess of pvossm'o boow ho bali ino pass up along the outsolo o? the oups. Thus 1s prevented in' the prasada pump bythe re- 25 verso @up l2 so that sand is promoted from loac'nng the. cups both from ooow and above.

a ombinafloo o a work.- o; plxmoperating the bar kmo; ad a. tubo extomdmg 'into fg..

. pump, comboation of Work ol; a. piango? opom'nq in tho Woick o camion? by the plum who com d by tho plunger and to lo :mnd and adapted to quid pumpod 5w sand tmp, Said r^ ovmww'iiv dlreood 'jot oponn'o tlm 1d imap foi" doive uid to @ho Sand tmp.

ouaip? f; 1.o oombnaaon of fr. Wo'i g pwrzggo ope :Mig in. @he Winkbarrel for forcing extending into h@ sea-n tmp od odapoci. to convey liquid pumped xo @ho sand iam?, ad tube having Spimly diected @fot 0pm ings Roding into me sand trap for dovop img the liqlxlf 'io tho son'ii hap.

5. n a pump the combination o o Work ing barr.; o phmgov opemtug im who working borrel; 5;. Saud imp @airfield by tho golongorgand a, tubo carro by he plunger and extending into the Sami tmp am udoptoo to convey lquid pumped to hef simo. tmp,

croctod jet 'openings ozlding into the son@ tmf-p for deivorng liquid to the sono? imp.

En a. pump, "obo combmjcioo o* work Bnp; barrel; a. plunger operating in ho bal'- ro; a sand tmp carried by tho @hunger and being in the. *form of an open cup; and o. conduit for carrying liquid from the plimger extending through the @ups said @up having clearing passages connecting the cup with the main passage.

7. n u pump, the combination of' a. Working; barro; :L punger operating in' the oarre; o ring; operating' in connection, with tho tubing; oarod with the plunger; an open cup son@ trop operong Within -he vorkinp; barrel and carried by the plunger; und a conduit forming nhe main passage of the p lmgor ca rjvng qu'l from the plum ger -.hmugh tho San imp, said sand tmp having; clearing passages leafng; to 'he main passage.

8. in a. pump, the oombm'ion of a Working barre; a. p'uger operating in the barrel, said plunger comprising a crown czmx'y ing the plunger valve; :md a sand trap formed on the crown., sa trop having cearng peromtons connecting with the interior of the. pumgo.

9. in o pump, bho oc-mbno5on of E. Working barrel; a phmgor operating iE fha borel, said. pungor comprising a. orovm carrying the plunger volvo; a. sand wsop omod; on tho 3i-own, said tmp having; clearing perfomyons connecting with tho nror of tho plunge; am a ring abovo the plum or Vand carri-ed wi oomecmion with tho tubing; am@ workng hogu through. 'the dam ehe 5on5.

img perommons 1n. the bottom of tap.

10. Kn a. pump, tho combination of a Working bamo; a pmxge operang in the bowel; a main sand trafo having in its upper end o ring operating in. onneoton with the mbe; :md an mmiary sami tmp carro. beow the moin sono trap and operating inoonnooton wim the working barrel. said auxiliary 'sand imp having clearing l@mailings conneooog wijh the interior of the plunger.

11. ha o pump, the combination o a 4th the plunger operatmp; lo

MIE

maare-1e Working barrel; a plunger operating in the barrel; and a sand trap carried with the plunger and having a portion extending into the Working barrel a "ed a portion extending1 above the working loarrel, the portion above the Working barrel having its greatest diameter greater than the diameter of the *working barrel.

12.` 1n a pump,` the combination of a,

AWorking barrel; a plunger operating inthe bariel; a sand trap carried with-the plunger and having' la portieri extending into the working barrel and a portion extending above the Working barrel, the portion above the Working* barrel having its greatest diameter greater than the diameter of the Working' barrel; an open, cup sand trap op erating Within the working barrel and carried by the pluiiger; and a conduit forming; the main passage of the plunger carrying liquid from the plunger, said open cup sand trap having clearing passages leading to the main passage. i

13. ln a pump the combination of .a working barrel; a plunger operating in the barrel.; .a samltrap carried by the plunger;

'a maineoutlnit in the plunger; and a tube Connected with said conduit and leading up Wai'dlyirom the Sand trap, said tube having jet openings arranged at different levelsin the Santi trap. l. In a pump7 the combination of a Working barrel; aplungei' operating in the barrel a sand trap earrietl by the plunger; a uiaiuaronfluitin. the plunger; a tube oonnectec :with said conduit and learling upcup with the main passage; and guide sur-` faces arranged in the cup adjacent to salici clearing passages for guicllng material to said passages.

1G. ln a pump, the combination ef af Workingvbarrel ya. plunger operating in the hariei' a rinff o )eratizn in connection with the tubing carried with the plunger; 'an

open cup sand trap operating within the working barrel and oai-rieti by the l'ilunget.; a conduit forming the main passage ofthe plunger earr'syiing liquid from .the plunger vthroubh the sand trap, said sand trap hawkI ing clearing passages leading' to the main passage; and guide surfaces arranged in the cup adjacent to said clearingpassagesor guiding material` to said passages.

1n vtestimony whereot l have hereunto set my hand in the presence of two sub-V seriloing;r witnesses.

v RUDOLPH CON LADER.

Witnesses:

. M. Harriman, THOMAS C. MILLER. 

